LG LWD3063ST Service Manual page 62

Door Lock System Failure,F10
or F20 ?
Plug in the unit
Note :
Just after self-clean start, the door lock motor
starts to rotate.
During this time if the door lock switch does
NOT operate properly after rotating twice, then
supervising circuit detects a Door Lock failure and
the F10 or F20 error code appears.
1
Check the operation of door
lock motor.
Press Lower Clear/Off button
for 3 seconds.
and try to open the door.
Does the door open?
Door lock icon turns on and
"OVEN LOCKOUT" is displayed
No
It is normal.
Check the wiring
TROUBLESHOOTING
Yes
Go to No 2
7-11
Unplug the unit
2
Is the Connector disconnected
or loose?
Check the following :
(1) Between Main PCB and
Relay PCB (Main : CN51 &
CN52)(Relay : CN11 & CN12)
(2) Electric wiring CN01 and CN03 of relay PCB
(3) Electric wiring of Locking Motor and Micro Switch
(4) Electric wiring of CN31 and CN32 of Main PCB
CN03
CN01
No
Reconnect.
Yes
If defective harness,
replace or fix
CN32
CN31